Physical Characteristics of the Illinois Coast Form

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geologists are storytellers a lot of people would be surprised to hear that but it's true geologists read the layers of rock like pages in a book and put together a story of something that has happened before Illinois is a land of contrasts of diverse scenery why is much of Illinois rolling plains why is Southern Illinois a land of cliffs and ravines what carve the great cliffs at Starved Rock Park Illinois has had an exciting history an exciting story and I'm going to tell you the story of Illinois now to do that we have to go back in time more than half a billion years I brought my imaginary time machine left it in the corner over there you didn't really expect to see it imaginary time machine did you well okay we're gonna get in that imaginary time machine we're gonna go back in time more than 500 million years now if we're going to do that we should take some equipment along some shovels some bags for collecting notepads a camera two cooler full of food would be a good idea but the